London, Italy
The Skylon was a futuristic-looking, slender, vertical, cigar-shaped steel tensegrity structure located by the Thames in London, that gave the illusion of floating above the ground, built in 1951 for the Festival of Britain. A popular joke of the period was that, like the British economy of 1951, "I
t had no visible means of support".
Listen to the audio guide for Skylon Free on WIP — starts by itself when you arrive, even with the screen off